MESON Chess Problem Database

Problem Display
PID: 237340 (7n/3Q3B/3B4/bKpPp3/1p1kn3/r1pPN2R/6R1/2r5 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Source?, 1998

7n/3Q3B/3B4/bKpPp3/1p1kn3/r1pPN2R/6R1/2r5

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Sc2#
    • 1...Sd2
      • 2.Bxc5#
    • 1...Sf2
      • 2.Bxc5#
    • 1...Sg3
      • 2.Bxc5#
    • 1...Sg5
      • 2.Bxc5#
    • 1...Sf6
      • 2.Bxc5#
  • Tries
    • 1.Sc2+?
      • 1...Kxd5
        • 2.Bxe4#
        • 2.dxe4#
      • 1...Rxc2!
    • 1.Bxe5+?
      • 1...Kxd3
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sc4#
        • 2.Sg4#
      • 1...Kxe5!
    • 1.Bxe4?
      • threat
        • 2.Sf5#
        • 2.Bxc5#
      • 1...Rf1
        • 2.Sc2#
        • 2.Bxc5#
      • 1...Bb6
        • 2.Sf5#
      • 1...c4
        • 2.Sf5#
        • 2.Bc5#
      • 1...c2!
    • 1.Qg4?
      • threat
        • 2.Qxe4#
      • 1...Kxd3
        • 2.Sc2#
        • 2.Qxe4#
      • 1...c2!
  • Keys
    • 1.Bxc5+!
      • 1...Kxd3
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sc4#
        • 2.Sg4#
      • 1...Sxc5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • K(e);P-FLIGHT,P_SPINS(f),XP(B)::R(D)+S(C)
    • S(f);N_GUARD::B(G),XP(h)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(a);XS(C)
    • Try
      • B(G);CHECK,XP(i)
      • Refutation
        • K(e);S_FLIGHT,XB(G)
    • Try
      • B(I);XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • B(g);::S(C)
      • Refutation
        • P(c);
    • Try
      • Q(H);P_PINS(f)
      • Threat
        • QAR1(H),XS(f)
      • Refutation
        • P(c);
  • Actual
    • B(G);CHECK,XP(h)
    • Vars
      • S(f);XB(G)::S(C)
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